Light bulbs _e____ light and heat. (发出)

Which<br/>of the following could be the best title for this passage________?A) Urgent need to recycle used energy-saving bulbs. B) Widely publicized energy-saving bulbs.C) Mercury pollution caused by energy-saving bulbs.D) The special treatment center. A: Urgent need to recycle used energy-saving bulbs.

Chaning from regular bulbs to () ones will reduce greenhouse gas by three-fourths. A: electric B: energy-saving

It is said that the new light bulbs [input=type:blank,size:4][/input]less electricity.( consume, consumption)

18.Edison__________the electric bulbs over one hundred years ago. A: found B: discovered C: thought D: invented

The functional excretory units in the kidneys of fishes are ( ). A: flame bulbs B: nephridia C: malpighian tubules D: green glands E: nephrons

Even if you’re not a hard-core Greenie, there are small acts you can take every day to save both the earth and your 1 . Going DIY with cleaning products is a good way to start. You can use 2 at home that won’t cost you any extra money–and that work just as well as the store-bought stuff. Vinegar cuts grease on stove tops and oven doors, and can even whiten your 3 and remove stains from clothes. In the kitchen, going green can save you money and keep you 4 . Cooking at home can cut down the cost of eating out, as well as the takeout containers you bring home. Buying produce and other raw foods cuts down on 5 that ends up in landfills. You can also look for products that use 6 or biodegradable packaging. You can even use some of the items you 7 in the trash to upcycle. Plastic grocery bags can be used for all kinds of craft projects. It’s easy to ignore, but a great amount of energy gets wasted around the house. You can 8 large appliances and other devices that aren’t being used. Changing out your light bulbs is another way to save money. CFL light bulbs are more 9 at first, but they use much less energy than incandescent light bulbs, and last at least eight times longer than regular bulbs. 10 on natural light is another way to make your light bulbs last longer – so open your blinds and enjoy the sunlight!

1【填空题】 Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. You may not use any of the words in the bank more than once. Even if you're not a hard-core Greenie, there are small acts you can take every day to save both the earth and your 1) _____. Going DIY with cleaning products is a good way to start. You can use 2) _____ at home that won't cost you any extra money---and that work just as well as the store-bought stuff. Vinegar cuts grease on stove tops and oven doors, and can even whiten your 3) _____ and remove stains from clothes. In the kitchen, going green can save you money and keep you 4) _____. Cooking at home can cut down the cost of eating out and the takeout containers that you bring home. Buying produce and other raw foods cuts down on 5) _____ that ends up in landfills. You can also look for products that use 6) _____ or bio-degradable packaging. You can even use some of the items you 7) _____ in the trash to upcycle. Plastic grocery bags can be used for all kinds of craft projects. It's easy to ignore, but a great amount of energy gets wasted around the house. You can 8) _____ large appliances and other devices that aren't being used. Changing out your light bulbs is another way to save money. CFL light bulbs are more 9) _____ at first, but they use much less energy than incandescent light bulbs, and last at least eight times longer than regular bulbs. 10) _____ on natural light is another way to make your light bulbs last longer---so open your blinds and enjoy the sunlight! A) cost B) enjoy C) expensive D) healthier E) ignore F) items G) laundry H) packaging I) projects J) recyclable K) relying L) than M) toss N) unplug O) wallet

Which of the following can NOT be considered as living green A: Use energy efficient light bulbs. B: Keep the cell phone chargers plugged in even it is not charging anything. C: Choose to walk, ride a bike, or take a bus or subway. D: Use renewable energy such as solar power.

A 16-year-old woman is visiting her gynecologist for her first checkup. On ultrasound examination it is noted that the woman has a double uterus. Failure of which of the following processes is responsible for the double uterus? A: Fusion of the inferior parts of the paramesonephric ducts B: Fusion of the superior parts of the mesonephric ducts C: Development of the hymen D: Development of the sinovaginal bulbs E: Fusion of the inferior parts of the mesonephric ducts